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Finding the Fourth Proportional to 32,028.48, 48,036.15 and 8,649.45

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Solution

The fourth proportional to 32,028.48, 48,036.15 and 8,649.45 is: 12,972.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,028.48 : 48,036.15 = 8,649.45 : x
  2. Step 2: Convert to fraction form
    32,028.48/48,036.15 = 8,649.45/x
  3. Step 3: Cross multiply
    32,028.48x = 48,036.15 × 8,649.45
  4. Step 4: Simplify right side
    32,028.48x = 415,486,277.62
  5. Step 5: Solve for x
    x = 415,486,277.62/32,028.48
  6. Step 6: Final answer
    x = 12,972.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.